package cn.itcast.rnk.properties;
import java.util.Map;

public class EnvMap {
	public static void main (String[] args) {

		/*
        Map<String, String> env = System.getenv();
        for (String envName : env.keySet()) {
            System.out.format("%s=%s%n",
                              envName,
                              env.get(envName));
        }
		 */


		String property = System.getProperty("path.separator");
		System.out.println(property);


		String userDir = System.getProperty("user.dir");
		System.out.println(userDir);
		String userHome = System.getProperty("usr.home");
		System.out.println(userHome);
	}
}